![]() ![]() ![]() Amplitude of the function generator varied a lot with frequency. Metex Ms-9150 Manualįrequency counter was not bad for its price. Power supply was OK, though not terribly stable. One thing I hated was the loud AC fan, this unit appears to be fanless. The schematics for the similar 9150 are also attached. I attach the similar Metex 9160 model that is the revised version with an improved frequency counter & function generator. The seller turned out to be a recycling specialist who is located only 2 miles from my home.I popped down there today and bought another two of these units for friends who like the design. I liked what I saw and decided to use the unit as a relatively compact multi instrument for use in the house when I just want to do some quick checks on a piece of kit. I have not done full calibration checks but all components appear accurate to hobbyist standards at least. Its actually a very well constructed unit and performs to a decent standard. ![]() All this for GBP50.was it money well spent.let us see what is inside the big box Pictures attached. The frequency counter also provides an accurate display of the function generator frequency if required. ![]() The unit provides a 250MHz frequency counter, 2MHz function generator, Multimeter with Capacitance + RS232 logging capability and finally a PSU that can supply 0-30V 15V 1A. It is quite similar to its predecessor MS 9140. I have the schematics of the Metex MS 9150 available if this helps. Re: TENMA UNIVERSAL TEST CENTER 72-1005 (AKA METEX MS-9140) ISO USER/SERVICE MANUALS. At least 7 digits are displayed per each second of gate time. CH A:1㎐ to 20㎒ LED display depending on gate time and input signal. You got four decent quality instruments in a single box. They were not a cheap purchase at around $1000 but they offered the buyer an 'all in one' test equipment solution for the bench. The description peaked my interest and after a quick look, GBP50 was winging its way to the seller The unit is in fact a Metex combined test instrument system and these were popular a few years ago and found homes in schools, colleges and home workshops. I saw a unit on ebay UK described as an 'S.J.Electronics Universal Electronics System' selling on a 'buy it now' of GBP50 with free postage. ![]()
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